OT-2026-000053072
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053072) never changes.
Identity and time
| Publication number | OT-2026-000053072 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a431-7735-a087-d870adc830e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053072 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f678f5a33fb52618a932357cb64c48230ff0be3c214b23fdd43928db4b43e47 |
|---|---|
| Markdown | fd9e30c43c2912bcdfafb1c858b6e22cb2f49c05386083d10803c644a993a0a1 |
| Publication page | 9620bc2ab6c4fea79fe51bd59345eb321aea28e520e315cbbad8b1adc302b875 |
| Manifest | 4b2f3569316b44dce587c9a4d7b6a2c2b3d48f54f4f5fbdb74a7d416a1ab0434 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | BD19fODgAk3n82hx5LdK3b5NccIpj+PJ/A3xqzkj6p4O+t7aAil2FPzDaQiUTcx162BeOsknc8yoSB1II+uqBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:47.338545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053072observed 9620bc2ab6c4fea79fe51bd59345eb32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:47.321268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053072/manifest.jsonobserved 4b2f3569316b44dce587c9a4d7b6a2c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:47.302719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053072/publication.mdobserved fd9e30c43c2912bcdfafb1c858b6e22c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:47.282594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053072/publication.txtobserved 1f678f5a33fb52618a932357cb64c482...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|